Chest of Upgrade Stones

Premium No market data Chest Vendor: 50 gold Untradeable

Use to receive a upgrade stone.

Best place to farm: ⚔️ Thal'guth (Lv 95) in The Citadel, 68.6% per kill · all 11 sources

Updated 6 Oct 2026, 09:45 UTC

Chest of Upgrade Stones is a premium chest item in IdleMMO. It drops from 11 sources across the world.

Chest contents

Opening Chest of Upgrade Stones can contain:

Weapon Upgrade Stone 14%

Chestplate Upgrade Stone 14%

Gauntlets Upgrade Stone 14%

Shield Upgrade Stone 14%

Greaves Upgrade Stone 16%

Boots Upgrade Stone 14%

Helmet Upgrade Stone 14%

Where to farm

11 sources · bar = per-kill chance

⚔️ Thal'guth · Lv 95 · The Citadel Best 68.6% ⚔️ Rogoth · Lv 40 · Skyreach Peak 60% ⚔️ Petrok the Guardian · Lv 50 · Enchanted Oasis 57.8% ⚔️ Shadowmire · Lv 30 · Crystal Caverns 56.0% ⚔️ Lurka Stonefist · Lv 60 · Floating Gardens of Aetheria 56.0% ⚔️ Voragor · Lv 90 · The Citadel 55.4% ⚔️ Nethrax · Lv 70 · Celestial Observatory 54.5% ⚔️ Skarn the Dreadwake · Lv 80 · Isle of Whispers 53.3% ⚔️ Malgazar · Lv 10 · Whispering Woods 52% ⚔️ Isadora · Lv 1 · Bluebell Hollow 49% ⚔️ Obsidianus · Lv 20 · Eldoria 25%

Bars show the chance of this item per kill of each source — the highlighted “Best” source drops it most often.

Chest of Upgrade Stones FAQ

Where is the best place to farm Chest of Upgrade Stones in IdleMMO?

The best source for Chest of Upgrade Stones is Thal'guth in The Citadel (about 68.6% per kill). See the full list of 11 sources above, each with its per-kill drop chance and market value.

Where can you find Chest of Upgrade Stones in IdleMMO?

Chest of Upgrade Stones can be found in The Citadel, Skyreach Peak, Enchanted Oasis and other locations.